Job Title: Hands-On .NET Backend Lead Engineer

Company Name: Oovity

Job Url: https://www.linkedin.com/jobs/view/4368327507/?eBP=NOT_ELIGIBLE_FOR_CHARGING&trk=flagship3_search_srp_jobs&refId=Yya3B7Yr6XIKjMJisR6OZg%3D%3D&trackingId=b0madZUGbjMj%2B%2BdxuVQ0Lg%3D%3D

Job Description: Hands-On .NET Backend Lead Engineer | Contract + Remote

 • United States (Remote)



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Hands-On .NET Backend Lead Engineer | Contract + Remote

United States · Reposted 18 hours ago · Over 100 applicants

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Michael Berlin

• 3rd

Actively Seeking New Business Ownership & Investment Opportunities

Job poster

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About the job
Oovity has an opportunity for the right person to join a long-term contract engagement as a Hands-On .NET Backend Lead Engineer. With one of our long term clients. This role is 100% remote and focused on building and leading modern backend systems at scale. You will design, develop, and support production-grade APIs, microservices, and event-driven workloads using C#, modern .NET, and AWS. This is a hands-on role for someone who enjoys writing code, owning technical decisions, and leading by example.



What You’ll Do

Design and build backend APIs, microservices, and batch workloads using C# and .NET 8/9.
Lead API design and standards using Swagger / OpenAPI.
Apply Domain-Driven Design (DDD) to align systems with business capabilities.
Design and implement data models using EF Core, linq2db, DynamoDB, and Postgres (RDS).
Build event-driven integrations using AWS Lambda, SQS, SNS, and DynamoDB Streams.
Develop and manage infrastructure using AWS CDK and/or Terraform.
Build and deploy containerized services using Docker, ECS/Fargate, and AWS Batch.
Implement secure authentication and authorization using OAuth2 / OIDC.
Manage secrets and configuration using AWS Secrets Manager and Parameter Store.
Support CI/CD pipelines using GitHub and GitHub Actions.
Collaborate with frontend engineers, DevOps, and QA in an Agile environment.
Provide hands-on technical leadership, code reviews, and mentorship.


Required Experience

Strong experience with C# and modern .NET (6–9).
Proven background building RESTful APIs and backend services.
Solid experience with AWS, including Lambda, DynamoDB, S3, SQS, SNS, ECS/Fargate, RDS, and IAM.
Experience designing DynamoDB access patterns for real-world workloads.
Strong understanding of Docker and containerized deployments.
Experience with Infrastructure as Code (AWS CDK and/or Terraform).
Familiarity with OAuth2/OIDC and securing backend APIs.
Comfortable working in GitHub-based CI/CD workflows.
Experience leading or owning backend systems in production.


Nice to Have

AWS DMS or migration experience.
Large-scale batch processing experience.
Prior hands-on lead or senior engineer role.
Experience supporting React or TypeScript frontend integrations.


Why This Role

Long-term, stable contract work.
Fully remote—work from anywhere.
High-impact backend systems.
Technical ownership and leadership without bureaucracy.
Work with modern .NET and AWS at scale.


You must be a legal United States citizen or have the appropriate Green Card / Visa to work in the United States. I am happy to share details and discuss whether this opportunity makes sense for you. If this sounds like a fit and you want to learn more, reach out directly.



michael@oovity.com


Requirements added by the job poster

• Working in a remote setting

• Can start immediately

• 5+ years of work experience with C# in .NET